GAF’s warranties tend to be more stringent than CertainTeed’s, so you will discover much more reasons to the manufacturer to deny you warranty Added benefits. The roof decking may be the layer of plywood or O.S.B. nailed to the trusses or rafters. Roof decking is usually 7/16” and comes in https://metalroofers87765.blogchaat.com/28797523/how-metal-roof-replacements-can-save-you-time-stress-and-money